summaryrefslogtreecommitdiffstats
path: root/meta/recipes-core/eglibc/eglibc-2.19/fsl-ppc-no-fsqrt.patch
blob: 511ee9d19e15027b4d605952f2f85688c7c8cc1a (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
Create e5500 specific math_private.h and let it include when compiling for e5500/64bit core
We prefefine __CPU_HAS_FSQRT to 0 and then in general ppc64 math_private.h we check if its
already defined before redefining it. This way we can ensure that on e5500 builds it wont
emit fsqrt intructions

-Khem

Upstream-Status: Pending

Index: libc/sysdeps/powerpc/fpu/math_private.h
===================================================================
--- libc.orig/sysdeps/powerpc/fpu/math_private.h
+++ libc/sysdeps/powerpc/fpu/math_private.h
@@ -25,10 +25,12 @@
 #include <dl-procinfo.h>
 #include_next <math_private.h>
 
-# if __WORDSIZE == 64 || defined _ARCH_PWR4
-#  define __CPU_HAS_FSQRT 1
-# else
-#  define __CPU_HAS_FSQRT ((GLRO(dl_hwcap) & PPC_FEATURE_64) != 0)
+# ifndef __CPU_HAS_FSQRT
+#  if __WORDSIZE == 64 || defined _ARCH_PWR4
+#   define __CPU_HAS_FSQRT 1
+#  else
+#   define __CPU_HAS_FSQRT ((GLRO(dl_hwcap) & PPC_FEATURE_64) != 0)
+#  endif
 # endif
 
 extern double __slow_ieee754_sqrt (double);
Index: libc/ports/sysdeps/powerpc/powerpc64/e5500/fpu/math_private.h
===================================================================
--- /dev/null
+++ libc/ports/sysdeps/powerpc/powerpc64/e5500/fpu/math_private.h
@@ -0,0 +1,9 @@
+#ifndef _E5500_MATH_PRIVATE_H_
+#define _E5500_MATH_PRIVATE_H_ 1
+/* E5500 core FPU does not implement
+   fsqrt */
+
+#define __CPU_HAS_FSQRT 0
+#include_next <math_private.h>
+
+#endif /* _E5500_MATH_PRIVATE_H_ */
Index: libc/ports/sysdeps/powerpc/powerpc64/e6500/fpu/math_private.h
===================================================================
--- /dev/null
+++ libc/ports/sysdeps/powerpc/powerpc64/e6500/fpu/math_private.h
@@ -0,0 +1,9 @@
+#ifndef _E6500_MATH_PRIVATE_H_
+#define _E6500_MATH_PRIVATE_H_ 1
+/* E6500 core FPU does not implement
+   fsqrt */
+
+#define __CPU_HAS_FSQRT 0
+#include_next <math_private.h>
+
+#endif /* _E6500_MATH_PRIVATE_H_ */
Index: libc/ports/sysdeps/powerpc/powerpc32/e500mc/fpu/math_private.h
===================================================================
--- /dev/null
+++ libc/ports/sysdeps/powerpc/powerpc32/e500mc/fpu/math_private.h
@@ -0,0 +1,9 @@
+#ifndef _E500MC_MATH_PRIVATE_H_
+#define _E500MC_MATH_PRIVATE_H_ 1
+/* E500MC core FPU does not implement
+   fsqrt */
+
+#define __CPU_HAS_FSQRT 0
+#include_next <math_private.h>
+
+#endif /* _E500MC_MATH_PRIVATE_H_ */
Index: libc/ports/sysdeps/powerpc/powerpc32/e5500/fpu/math_private.h
===================================================================
--- /dev/null
+++ libc/ports/sysdeps/powerpc/powerpc32/e5500/fpu/math_private.h
@@ -0,0 +1,9 @@
+#ifndef _E5500_MATH_PRIVATE_H_
+#define _E5500_MATH_PRIVATE_H_ 1
+/* E5500 core FPU does not implement
+   fsqrt */
+
+#define __CPU_HAS_FSQRT 0
+#include_next <math_private.h>
+
+#endif /* _E5500_MATH_PRIVATE_H_ */
Index: libc/ports/sysdeps/powerpc/powerpc32/e6500/fpu/math_private.h
===================================================================
--- /dev/null
+++ libc/ports/sysdeps/powerpc/powerpc32/e6500/fpu/math_private.h
@@ -0,0 +1,9 @@
+#ifndef _E6500_MATH_PRIVATE_H_
+#define _E6500_MATH_PRIVATE_H_ 1
+/* E6500 core FPU does not implement
+   fsqrt */
+
+#define __CPU_HAS_FSQRT 0
+#include_next <math_private.h>
+
+#endif /* _E6500_MATH_PRIVATE_H_ */